Back in February, as Hollywood mourned the tragic loss of Whitney Houston, it quickly became apparent just how big of an impact her death had on the cast of Glee. So when the show announced it was preparing a full-length tribute to the music legend for its April 24 episode, we can’t say we were entirely surprised!

Details on the sure-to-be-powerful episode are still being kept under wraps, but we’ve still managed to dig up a fair amount of info on what to expect. Here’s everything we’ve learned so far about Season 3, Episode 17: “Dance With Somebody.”